1.051 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.077 * * * [progress]: [2/2] Setting up program.
0.080 * [progress]: [Phase 2 of 3] Improving.
0.080 * [simplify]: Simplifying:
  (+ x (/ (exp (* y (log (/ y (+ z y))))) y))
0.080 * * [simplify]: Extracting # 0 : cost  0
0.080 * * [simplify]: Extracting # 1 : cost  0
0.080 * * [simplify]: Extracting # 2 : cost  0
0.080 * * [simplify]: Extracting # 3 : cost  0
0.080 * * [simplify]: Extracting # 4 : cost  0
0.080 * * [simplify]: Extracting # 5 : cost  0
0.080 * * [simplify]: Extracting # 6 : cost  0
0.080 * * [simplify]: Extracting # 7 : cost  0
0.080 * * [simplify]: Extracting # 8 : cost  0
0.080 * * [simplify]: Extracting # 9 : cost  0
0.080 * * [simplify]: iteration  0 :  10  enodes  (cost  13 )
0.082 * * [simplify]: Extracting # 0 : cost  0
0.082 * * [simplify]: Extracting # 1 : cost  0
0.082 * * [simplify]: Extracting # 2 : cost  0
0.082 * * [simplify]: iteration  1 :  18  enodes  (cost  13 )
0.084 * * [simplify]: Extracting # 0 : cost  0
0.084 * * [simplify]: Extracting # 1 : cost  0
0.084 * * [simplify]: Extracting # 2 : cost  0
0.085 * * [simplify]: Extracting # 3 : cost  0
0.085 * * [simplify]: Extracting # 4 : cost  0
0.085 * * [simplify]: Extracting # 5 : cost  0
0.085 * * [simplify]: iteration  2 :  27  enodes  (cost  11 )
0.089 * * [simplify]: Extracting # 0 : cost  0
0.089 * * [simplify]: Extracting # 1 : cost  0
0.089 * * [simplify]: Extracting # 2 : cost  0
0.089 * * [simplify]: Extracting # 3 : cost  0
0.089 * * [simplify]: Extracting # 4 : cost  0
0.089 * * [simplify]: iteration  3 :  52  enodes  (cost  11 )
0.100 * * [simplify]: Extracting # 0 : cost  0
0.100 * * [simplify]: Extracting # 1 : cost  0
0.100 * * [simplify]: Extracting # 2 : cost  0
0.100 * * [simplify]: Extracting # 3 : cost  0
0.100 * * [simplify]: Extracting # 4 : cost  0
0.100 * * [simplify]: iteration  4 :  110  enodes  (cost  11 )
0.136 * * [simplify]: Extracting # 0 : cost  0
0.136 * * [simplify]: Extracting # 1 : cost  0
0.136 * * [simplify]: Extracting # 2 : cost  0
0.136 * * [simplify]: Extracting # 3 : cost  0
0.137 * * [simplify]: Extracting # 4 : cost  0
0.137 * * [simplify]: Extracting # 5 : cost  0
0.137 * * [simplify]: iteration  5 :  249  enodes  (cost  11 )
0.257 * * [simplify]: Extracting # 0 : cost  0
0.257 * * [simplify]: Extracting # 1 : cost  0
0.258 * * [simplify]: Extracting # 2 : cost  0
0.263 * * [simplify]: Extracting # 3 : cost  0
0.264 * * [simplify]: Extracting # 4 : cost  0
0.264 * * [simplify]: iteration  6 :  590  enodes  (cost  11 )
0.878 * * [simplify]: Extracting # 0 : cost  0
0.882 * * [simplify]: Extracting # 1 : cost  0
0.885 * * [simplify]: Extracting # 2 : cost  0
0.888 * * [simplify]: Extracting # 3 : cost  0
0.891 * * [simplify]: Extracting # 4 : cost  0
0.894 * * [simplify]: iteration  7 :  1855  enodes  (cost  11 )
2.193 * * [simplify]: Extracting # 0 : cost  0
2.198 * * [simplify]: Extracting # 1 : cost  0
2.204 * * [simplify]: Extracting # 2 : cost  0
2.209 * * [simplify]: Extracting # 3 : cost  0
2.214 * * [simplify]: Extracting # 4 : cost  0
2.224 * * [simplify]: Extracting # 5 : cost  0
2.231 * * [simplify]: iteration done:  5000  enodes  (cost  11 )
2.232 * [simplify]: Simplified to:
  (+ x (/ (pow (/ y (+ z y)) y) y))
2.237 * * [progress]: iteration 1 / 4
2.237 * * * [progress]: picking best candidate
2.241 * * * * [pick]: Picked  #<alt (λ (x y z) (+ x (/ (exp (* y (log (/ y (+ z y))))) y)))>
2.241 * * * [progress]: localizing error
2.265 * * * [progress]: generating rewritten candidates
2.265 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2 1 1 2)
2.277 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2 1 1)
2.316 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 1 1 2 1)
2.357 * * * [progress]: generating series expansions
2.357 * * * * [progress]: [ 1 / 3 ] generating series at (2 2 1 1 2)
2.357 * [backup-simplify]: Simplify (log (/ y (+ z y))) into (log (/ y (+ z y)))
2.357 * [approximate]: Taking taylor expansion of (log (/ y (+ z y))) in (y z) around 0
2.357 * [taylor]: Taking taylor expansion of (log (/ y (+ z y))) in z
2.357 * [taylor]: Taking taylor expansion of (/ y (+ z y)) in z
2.357 * [taylor]: Taking taylor expansion of y in z
2.357 * [backup-simplify]: Simplify y into y
2.357 * [taylor]: Taking taylor expansion of (+ z y) in z
2.357 * [taylor]: Taking taylor expansion of z in z
2.357 * [backup-simplify]: Simplify 0 into 0
2.357 * [backup-simplify]: Simplify 1 into 1
2.357 * [taylor]: Taking taylor expansion of y in z
2.357 * [backup-simplify]: Simplify y into y
2.357 * [backup-simplify]: Simplify (+ 0 y) into y
2.357 * [backup-simplify]: Simplify (/ y y) into 1
2.358 * [backup-simplify]: Simplify (log 1) into 0
2.358 * [taylor]: Taking taylor expansion of (log (/ y (+ z y))) in y
2.358 * [taylor]: Taking taylor expansion of (/ y (+ z y)) in y
2.358 * [taylor]: Taking taylor expansion of y in y
2.358 * [backup-simplify]: Simplify 0 into 0
2.358 * [backup-simplify]: Simplify 1 into 1
2.358 * [taylor]: Taking taylor expansion of (+ z y) in y
2.358 * [taylor]: Taking taylor expansion of z in y
2.358 * [backup-simplify]: Simplify z into z
2.358 * [taylor]: Taking taylor expansion of y in y
2.359 * [backup-simplify]: Simplify 0 into 0
2.359 * [backup-simplify]: Simplify 1 into 1
2.359 * [backup-simplify]: Simplify (+ z 0) into z
2.359 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
2.359 * [backup-simplify]: Simplify (log (/ 1 z)) into (log (/ 1 z))
2.359 * [taylor]: Taking taylor expansion of (log (/ y (+ z y))) in y
2.359 * [taylor]: Taking taylor expansion of (/ y (+ z y)) in y
2.359 * [taylor]: Taking taylor expansion of y in y
2.359 * [backup-simplify]: Simplify 0 into 0
2.359 * [backup-simplify]: Simplify 1 into 1
2.359 * [taylor]: Taking taylor expansion of (+ z y) in y
2.359 * [taylor]: Taking taylor expansion of z in y
2.359 * [backup-simplify]: Simplify z into z
2.359 * [taylor]: Taking taylor expansion of y in y
2.359 * [backup-simplify]: Simplify 0 into 0
2.359 * [backup-simplify]: Simplify 1 into 1
2.359 * [backup-simplify]: Simplify (+ z 0) into z
2.359 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
2.359 * [backup-simplify]: Simplify (log (/ 1 z)) into (log (/ 1 z))
2.360 * [backup-simplify]: Simplify (+ (* (- -1) (log y)) (log (/ 1 z))) into (+ (log (/ 1 z)) (log y))
2.360 * [taylor]: Taking taylor expansion of (+ (log (/ 1 z)) (log y)) in z
2.360 * [taylor]: Taking taylor expansion of (log (/ 1 z)) in z
2.360 * [taylor]: Taking taylor expansion of (/ 1 z) in z
2.360 * [taylor]: Taking taylor expansion of z in z
2.360 * [backup-simplify]: Simplify 0 into 0
2.360 * [backup-simplify]: Simplify 1 into 1
2.361 * [backup-simplify]: Simplify (/ 1 1) into 1
2.361 * [backup-simplify]: Simplify (log 1) into 0
2.361 * [taylor]: Taking taylor expansion of (log y) in z
2.361 * [taylor]: Taking taylor expansion of y in z
2.361 * [backup-simplify]: Simplify y into y
2.361 * [backup-simplify]: Simplify (log y) into (log y)
2.362 * [backup-simplify]: Simplify (+ (* (- 1) (log z)) 0) into (- (log z))
2.362 * [backup-simplify]: Simplify (+ (- (log z)) (log y)) into (- (log y) (log z))
2.362 * [backup-simplify]: Simplify (- (log y) (log z)) into (- (log y) (log z))
2.362 * [backup-simplify]: Simplify (+ 0 1) into 1